The special investigation team of Gurgaon Police, which is probing the gruesome murder of seven-year-old Ryan International School student, took accused bus conductor Ashok Kumar to the spot and tried to recreate the sequence of crime, the police said.

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The 14 SIT teams reached the school in Bhondsi and collected evidence, with the help of experts from state forensic lab, from the washroom where the Class 2 student was found murdered with his throat slit.

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"The team visited the spot at around 9:30 am and probed till 1:30 pm. During the five-hour-long probe, the SIT photographed all the crime scene, collected samples for forensic analysis and finger prints also and tried to scientifically analyse all possible angles of crime," a senior police officer said. The SIT team questioned the school staff, including the sweeper who allegedly cleaned the blood stains from the floor, and the teachers, he said, adding that it also looked for evidence on the ground near broken windows of the toilet and the school's broken boundary wall. (With inputs from agencies)